Assignment 5-RADIOSS Interfaces & Study of Effect of Notches Challenge
Aim:
1)Create 2D mesh for Bumper Assembly.
2)Run Simulation with 6 cases on changes into Interfaces and different Notching conditions and Boundry condition
1)2D Mesh -Bumper Assembly

Model HM file attached.
Simulation Cases:
Case1:
Run The crash Tube Model As it is:
Contact Force:

Maxmim contact force:98.3KN
Rigidwall Force:

The Maximum RW force is 1350KN occured at 27ms
Internal Energy:

The internal Energy attained maximum of 42.5KJ at 26ms
Case2:
Change Inacti into 6 and run simulation
Iacti setting:4

Contact force:

Contact force max:303.3KN
RW force:

Rw force max:1500KN at 26ms
Internal energy:

The internal Energy attained maximum of 42.5KJ at 26ms
Case3:
Create Interface of type 11 and Run simulation
Type11 setting:

Contact force:

Contact force max:108.6KN
RW force:

RW force max:1450KN at 27ms
Internal Energy:

The internal Energy attained maximum of 42.5KJ at 26ms
Case4:
Remove notches and Boundry conditions then run simulation

Contact force:

Contact force max:64.5KN
RW force:

RW force max:753KN @ 29ms
Internal Energy:

The internal Energy attained maximum of 42.5KJ at 28ms
Case5:
Create new Notch at Middle and run simulation:

Contact force:

Contact force max:153.5KN
RW force:

RW force max:940KN at 28ms
Internal Energy

The internal Energy attained maximum of 42.5KJ at 28ms
Case6:
Create New notche of nodes from Opposing faces and Run simulation

Contact force:

Max contact force:277.KN
RW force:

RW force max :1150KN at 27ms
Internal Energy:

The Max Internal energy:42.5KJ at 27.5ms
Comparison:
Comparison of RW forces, Internal Energy and Contact forces for all cases
|
Cases |
RW forces |
Contact forces |
Internal energy |
|
Case1 |
1350KN |
93.8KN |
42.5KJ |
|
Case2 |
1500KN |
303.3KN |
42.5KJ |
|
Case3 |
1450KN |
108.6KN |
42.5KJ |
|
Case4 |
753KN |
64.5KN |
42.5KJ |
|
Case5 |
940KN |
153.5KN |
42.5KJ |
|
Case6 |
1150KN |
277.5KN |
42.5KJ |